macOS Sequoia 15 有必要更新吗？ - 知乎
现在的macOS Sequoia 15.4可以更新。 一、给intel芯片的MacBook参考 手头有一台MacBook Air 2020（intel i3 + 8G +256G），末代Intel中的丐版，在还能升级macOS 15.4的设备里面是垫底 …
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Nov 28, 2025 · Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.
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FRT-15L3. Anyone have one? > General Discussion > AR15.COM
Nov 20, 2024 · Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.
ARIZONA REGULATOR dropped America’s FRT in EE - AR15.COM
May 4, 2025 · Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.
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16：9的15.6英寸和17.3英寸屏幕长宽各是多少? - 知乎
16:9是长宽比，设长x宽y 15.6英寸指的是屏幕对角线长度，1英寸≈2.54厘米， 15.6英寸≈39.6cm ， 17.3英寸≈43.9cm ， 或者直接拿尺子量实物，印证下是不是这么回事。这个15.6英寸是实际 …
338 ARC -- best AR magazines? > Magazines > AR15.COM
Feb 4, 2025 · I use my 15, 17 & 20 round mags the most. The five round mags use the same body as the ten round mags but use a large captured spring to limit capacity. There are …